body {
  width: 100%;
  min-width: 320px;
  max-width: 640px;
  background: #fff;
  font-family: -apple-system, Helvetica, sans-serif;
  line-height: 1.5;
  color: #666;
  margin: 0 auto;
  background-color:darkgray;
}
a{
  text-decoration: none;
  color:#fff;
}
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.app{
  height: 45px;
}
.app ul li {
  height: 45px;
  background: #333333;
  float: left;
  text-align: center;
  line-height: 45px;
  color: #fff;
}
.app ul :nth-child(1) {
  width: 8%;
}

.app ul :nth-child(1) img {
  width: 10px;
  height: 10px;
  margin-top: 15px;
  margin-left: 10px;
}
.app ul :nth-child(2) {
  width: 10%;
}
.app ul :nth-child(2) img {
  width: 30px;
  margin-top: 6px;
}
.app ul :nth-child(3) {
  width: 57%;
}
.app ul :nth-child(4) {
  width: 25%;
  background-color: #f63515;
}
.search-wrap{
  height: 44px;
  width: 100%;
  position: fixed;
  overflow: hidden;
  text-align: center;
  line-height: 44px;
}
 .search-btn{
  position: absolute;
  left: 0;
  top: 0;
  height: 44px;
  width: 40px;
  
}
.search-btn img{
  position: absolute;
  right: -5px;
  top: 9px;
  width: 28px;
}
 .search-login{
  position: absolute;
  right: 0;
  top: 0;
  height: 44px;
  width: 40px;
 color: white;
}
 .search{
   position: relative;
  height: 30px;
  margin: 0 50px;
  background-color:white;
  border-radius: 15px;
  margin-top: 7px;
}
.search img{
width: 25px;
position: absolute;
top: 8px;
left: 5px;
padding-right: 5px;
border-right:  darkgrey solid 1px;
}
.insearch{
  position: absolute;
  left: 50px;
  top: 5px;
}
.brand div{
  float: left;
  width: 33.33%;
}
nav a {
  width: 20%;
  float: left;
  text-align: center;
  font-size: 10px;
}
nav a img{
  
  margin-left: 10px;
  width: 40px;
  margin: 10px auto;
  margin-top: 10px;
}
.new{
  overflow: hidden;
}
.new a{
  float: left;
}

.new a:nth-child(1){
  width: 50%;
}
.new a:nth-child(2){
  width: 25%;
}
.new a:nth-child(3){
  width: 25%;
}
